US Bridges

Elliott RD over Cattle Pass

Fair

Snohomish County, Washington · 3.2 SE JCT SR 9 · Structure no. 086068000000000

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
4,155
2020 count
Owner
County
County Highway Agency

About this bridge

Elliott RD over Cattle Pass is a concrete channel beam carrying Elliott RD over Cattle Pass in Snohomish County, Washington. It was built in 1970, so it is 55 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,155 vehicles a day, roughly 10% of them trucks, projected to reach 7,500 by 2044. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesElliott RD
CrossesCattle Pass
Location3.2 SE JCT SR 9
RouteCounty Highway 92656
Coordinates47.84185, -122.08134
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,155 (2020)
Projected traffic7,500 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elliott RD over Cattle Pass built?

It was built in 1970, making it 55 years old in 2025.

What condition is Elliott RD over Cattle Pass in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Elliott RD over Cattle Pass carry?

About 4,155 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Elliott RD over Cattle Pass?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Elliott RD over Cattle Pass?

It is owned by the County Highway Agency.